Put the finishing touch on all outdoor company picnics, gatherings, banquets, potlucks, and more with these High Sierra® drench hydration packs. The large main compartment holds a 2-liter water reservoir. There is also a hands-free water reservoir pressure valve and a hinged front pocket that will hold a helmet. The finishing touch is the insulated water tube cover, adjustable shoulder straps, and waist and sternum straps for securing the pack while active.